A.culture.
B.gender.
C.formality.
D.circumstance.


A.show their gratitude to others.
B.behave themselves well.
C.continue their acts of kindness.
D.stop worrying about bad manners.
A.affected Americans in certain occupations.
B.is over with some of the losses recovered.
C.had only brought huge losses in savings and stocks.
D.had great impact on Americans' work and life.
A.didn't know anyone in Rhinelander.
B.couldn't sell their home in Big Lake.
C.had two children to raise.
D.moved to Rhinelander in a hurry.